InSync Sentry™ CRT-D Device

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The InSync Sentry™ cardiac resynchronization therapy device and defibrillator (CRT-D) signals a new era in heart failure management with the convergence of clinically proven cardiac resynchronization and ICD therapies, sophisticated diagnostics, and intrathoracic fluid status monitoring capabilities in a single implantable device.

InSync Sentry is the world's first CRT-D device with automatic intrathoracic fluid status monitoring, called OptiVol™ Fluid Status Monitoring, that assesses a patient's fluid status by measuring, tracking and reporting intrathoracic impedance. When used with other standard clinical assessments, OptiVol™ Fluid Status Monitoring offers additional insight to develop a more informed patient care strategy.

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Heart Failure
Management Report
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Key Features

Unprecedented Insight into the Patient's Clinical Status

• OptiVol™ Fluid Status Monitoring to assist in assessing the patient's fluid status by measuring, tracking, and reporting intrathoracic impedance.
• Heart Failure Management Report showing 14-month trends of key heart failure patient monitoring categories such as AT/AF Burden, ventricular rate during AF, heart rate variability, patient activity and night/day heart rates. Observation messages highlighting heart failure related parameters outside of typical ranges.
• Cardiac Compass® Report with additional information about ventricular arrhythmia detection and therapies.
• Rate Histogram Report provides information about % pacing during episodes of AF, sinus rate profiles and ventricular rate profile during AF.

Advanced Cardiac Resynchronization + ICD Therapies

• 35 Joules, high energy defibrillation output with fast charge times (7.1 to 9.0 sec throughout the life of the device¹), 6 years device longevity².
• Painless antitachycardia pacing (ATP) therapy to terminate 3 out of 4 episodes of fast ventricular tachycardia (VT).³
• Special pacing functions to maintain cardiac resynchronization therapy in the presence of atrial fibrillation.
• Enhanced PR Logic dual-chamber detection to maintain high sensitivity for ventricular tachyarrhythmias while improving discrimination for supraventricular tachycardias. Offers 95.2% accuracy (Positive Predictive Value) in delivered therapies.⁴
• Programmable with the Medtronic CareLink® Programmer

Mechanical Specifications

Medtronic CareLink® Network
Remote device follow-up with the Medtronic CareLink Network can dramatically reduce the time and resources required for routine device checks. Patients can use the Medtronic CareLink Service to transmit comprehensive device data using a standard phone line while at home, work or while traveling. Within minutes, clinics can view patient device data from any Internet-enabled PC using the secure clinician website. Learn more.

References

1. Fully formed capacitors.
2. 100% DDD, atrial tracking, biventricular pacing, 70 min-1 average rate, 2.5 V/0.4 (A and RV), 3 V/0.4 (LV), 700 ohms equivalent pacing loads, 2 full energy charges per year.
3. Wathen MS, Sweeney MO, DeGroot PJ, et al. Shock reduction using antitachycardia pacing for spontaneous rapid ventricular tachycardia in patients with coronary artery disease. Circulation. August 14, 2001;104:796-801.
4. Accuracy based on Positive Predictive Value (PPV). Wilkoff B, Gillberg J, DeSouza C. The Enhanced PR Logic dual chamber tachyarrhythmia detection algorithm: retrospective analysis of supraventricular tachycardia with long PR intervals. JACC Abstract #$873-4, Feb. 2001.

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